Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

morilinde

noun. nightingale
Qenya [Ety/MOR] Group: Eldamo. Published by

lómelinde

noun. nightingale
Qenya [Ety/DOƷ; Ety/LIN²; Ety/TIN; LR/041; SD/302] Group: Eldamo. Published by

tindómerel

feminine name. Nightingale, (lit.) Daughter of Twilight
Qenya [Ety/SEL-D; Ety/TIN; EtyAC/YEL; PE19/033] Group: Eldamo. Published by